1 Electric car needed big heavy batteries. Now they are made with Lithium.
2 Electric busses are still driving in some big cities.
3 There was no market for 99 mpg
4 Free energy. Seems like a mistake by Tesla to me.
5 Miracle cancer cure. We know today how they suppress Ivermectin and still push sugar.
6.Water powered car. Usually it means hydrogen powered.
7.Chronovisore a hoax with religous weirdness.
8 Is very hoax-like. Could be overhyped EM-wave of a certain frequency.
9 Couldbuster - certain EM-waves seem to interact with clouds. Clouds can be formed with electron beams.
10 Overunity generator. - Usually magnets not producing any new energy
11 Cold fusion. Actually works, but depends on very weird circumstances.
12 Hot fusion. Focus fusion seems credible, they use slightly heavier atoms for fusion focused into an electric beam.
13 There are several places in the world that have weird magnetic anomalies. Dont know if gemans tried to do this.
14 Safer cigarette. Pipe smoking is a lot safer according to the data.
15 TENS. It is now called electro-accupuncture.
16 Phoebus cartel. The lightbulb conspiracy. Most electronics are now tuned to fail at a certain time to promote sales of new products.
17 Corel Castle. He used modern metal tools. Like a hand powered crane. His entrance is broken today.
18 Hemp biofuel. Seems very useful.